Finding the Fourth Proportional to 2,511,348,157.76, 3,465,632,954.40 and 1,382,293,781.12
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Solution
The fourth proportional to 2,511,348,157.76, 3,465,632,954.40 and 1,382,293,781.12 is: 1,907,550,279.60
Step by Step Solution
- Step 1: Write the proportion equation
2,511,348,157.76 : 3,465,632,954.40 = 1,382,293,781.12 : x - Step 2: Convert to fraction form
2,511,348,157.76/3,465,632,954.40 = 1,382,293,781.12/x - Step 3: Cross multiply
2,511,348,157.76x = 3,465,632,954.40 × 1,382,293,781.12 - Step 4: Simplify right side
2,511,348,157.76x = 4,790,522,880,511,651,840 - Step 5: Solve for x
x = 4,790,522,880,511,651,840/2,511,348,157.76 - Step 6: Final answer
x = 1,907,550,279.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.